ipoib.h revision 7143740d26098aca84ecc7376ccfe2c58fd0412e
1/* 2 * Copyright (c) 2004, 2005 Topspin Communications. All rights reserved. 3 * Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved. 4 * Copyright (c) 2004 Voltaire, Inc. All rights reserved. 5 * 6 * This software is available to you under a choice of one of two 7 * licenses. You may choose to be licensed under the terms of the GNU 8 * General Public License (GPL) Version 2, available from the file 9 * COPYING in the main directory of this source tree, or the 10 * OpenIB.org BSD license below: 11 * 12 * Redistribution and use in source and binary forms, with or 13 * without modification, are permitted provided that the following 14 * conditions are met: 15 * 16 * - Redistributions of source code must retain the above 17 * copyright notice, this list of conditions and the following 18 * disclaimer. 19 * 20 * - Redistributions in binary form must reproduce the above 21 * copyright notice, this list of conditions and the following 22 * disclaimer in the documentation and/or other materials 23 * provided with the distribution. 24 * 25 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 26 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 27 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 28 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 29 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 30 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 31 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 32 * SOFTWARE. 33 * 34 * $Id: ipoib.h 1358 2004-12-17 22:00:11Z roland $ 35 */ 36 37#ifndef _IPOIB_H 38#define _IPOIB_H 39 40#include <linux/list.h> 41#include <linux/skbuff.h> 42#include <linux/netdevice.h> 43#include <linux/workqueue.h> 44#include <linux/kref.h> 45#include <linux/if_infiniband.h> 46#include <linux/mutex.h> 47 48#include <net/neighbour.h> 49 50#include <asm/atomic.h> 51 52#include <rdma/ib_verbs.h> 53#include <rdma/ib_pack.h> 54#include <rdma/ib_sa.h> 55 56/* constants */ 57 58enum { 59 IPOIB_PACKET_SIZE = 2048, 60 IPOIB_BUF_SIZE = IPOIB_PACKET_SIZE + IB_GRH_BYTES, 61 62 IPOIB_ENCAP_LEN = 4, 63 64 IPOIB_CM_MTU = 0x10000 - 0x10, /* padding to align header to 16 */ 65 IPOIB_CM_BUF_SIZE = IPOIB_CM_MTU + IPOIB_ENCAP_LEN, 66 IPOIB_CM_HEAD_SIZE = IPOIB_CM_BUF_SIZE % PAGE_SIZE, 67 IPOIB_CM_RX_SG = ALIGN(IPOIB_CM_BUF_SIZE, PAGE_SIZE) / PAGE_SIZE, 68 IPOIB_RX_RING_SIZE = 128, 69 IPOIB_TX_RING_SIZE = 64, 70 IPOIB_MAX_QUEUE_SIZE = 8192, 71 IPOIB_MIN_QUEUE_SIZE = 2, 72 IPOIB_CM_MAX_CONN_QP = 4096, 73 74 IPOIB_NUM_WC = 4, 75 76 IPOIB_MAX_PATH_REC_QUEUE = 3, 77 IPOIB_MAX_MCAST_QUEUE = 3, 78 79 IPOIB_FLAG_OPER_UP = 0, 80 IPOIB_FLAG_INITIALIZED = 1, 81 IPOIB_FLAG_ADMIN_UP = 2, 82 IPOIB_PKEY_ASSIGNED = 3, 83 IPOIB_PKEY_STOP = 4, 84 IPOIB_FLAG_SUBINTERFACE = 5, 85 IPOIB_MCAST_RUN = 6, 86 IPOIB_STOP_REAPER = 7, 87 IPOIB_MCAST_STARTED = 8, 88 IPOIB_FLAG_ADMIN_CM = 9, 89 IPOIB_FLAG_UMCAST = 10, 90 91 IPOIB_MAX_BACKOFF_SECONDS = 16, 92 93 IPOIB_MCAST_FLAG_FOUND = 0, /* used in set_multicast_list */ 94 IPOIB_MCAST_FLAG_SENDONLY = 1, 95 IPOIB_MCAST_FLAG_BUSY = 2, /* joining or already joined */ 96 IPOIB_MCAST_FLAG_ATTACHED = 3, 97}; 98 99#define IPOIB_OP_RECV (1ul << 31) 100#ifdef CONFIG_INFINIBAND_IPOIB_CM 101#define IPOIB_OP_CM (1ul << 30) 102#else 103#define IPOIB_OP_CM (0) 104#endif 105 106/* structs */ 107 108struct ipoib_header { 109 __be16 proto; 110 u16 reserved; 111}; 112 113struct ipoib_pseudoheader { 114 u8 hwaddr[INFINIBAND_ALEN]; 115}; 116 117/* Used for all multicast joins (broadcast, IPv4 mcast and IPv6 mcast) */ 118struct ipoib_mcast { 119 struct ib_sa_mcmember_rec mcmember; 120 struct ib_sa_multicast *mc; 121 struct ipoib_ah *ah; 122 123 struct rb_node rb_node; 124 struct list_head list; 125 126 unsigned long created; 127 unsigned long backoff; 128 129 unsigned long flags; 130 unsigned char logcount; 131 132 struct list_head neigh_list; 133 134 struct sk_buff_head pkt_queue; 135 136 struct net_device *dev; 137}; 138 139struct ipoib_rx_buf { 140 struct sk_buff *skb; 141 u64 mapping; 142}; 143 144struct ipoib_tx_buf { 145 struct sk_buff *skb; 146 u64 mapping[MAX_SKB_FRAGS + 1]; 147}; 148 149struct ib_cm_id; 150 151struct ipoib_cm_data { 152 __be32 qpn; /* High byte MUST be ignored on receive */ 153 __be32 mtu; 154}; 155 156/* 157 * Quoting 10.3.1 Queue Pair and EE Context States: 158 * 159 * Note, for QPs that are associated with an SRQ, the Consumer should take the 160 * QP through the Error State before invoking a Destroy QP or a Modify QP to the 161 * Reset State. The Consumer may invoke the Destroy QP without first performing 162 * a Modify QP to the Error State and waiting for the Affiliated Asynchronous 163 * Last WQE Reached Event. However, if the Consumer does not wait for the 164 * Affiliated Asynchronous Last WQE Reached Event, then WQE and Data Segment 165 * leakage may occur. Therefore, it is good programming practice to tear down a 166 * QP that is associated with an SRQ by using the following process: 167 * 168 * - Put the QP in the Error State 169 * - Wait for the Affiliated Asynchronous Last WQE Reached Event; 170 * - either: 171 * drain the CQ by invoking the Poll CQ verb and either wait for CQ 172 * to be empty or the number of Poll CQ operations has exceeded 173 * CQ capacity size; 174 * - or 175 * post another WR that completes on the same CQ and wait for this 176 * WR to return as a WC; 177 * - and then invoke a Destroy QP or Reset QP. 178 * 179 * We use the second option and wait for a completion on the 180 * same CQ before destroying QPs attached to our SRQ. 181 */ 182 183enum ipoib_cm_state { 184 IPOIB_CM_RX_LIVE, 185 IPOIB_CM_RX_ERROR, /* Ignored by stale task */ 186 IPOIB_CM_RX_FLUSH /* Last WQE Reached event observed */ 187}; 188 189struct ipoib_cm_rx { 190 struct ib_cm_id *id; 191 struct ib_qp *qp; 192 struct ipoib_cm_rx_buf *rx_ring; 193 struct list_head list; 194 struct net_device *dev; 195 unsigned long jiffies; 196 enum ipoib_cm_state state; 197 int recv_count; 198}; 199 200struct ipoib_cm_tx { 201 struct ib_cm_id *id; 202 struct ib_qp *qp; 203 struct list_head list; 204 struct net_device *dev; 205 struct ipoib_neigh *neigh; 206 struct ipoib_path *path; 207 struct ipoib_tx_buf *tx_ring; 208 unsigned tx_head; 209 unsigned tx_tail; 210 unsigned long flags; 211 u32 mtu; 212 struct ib_wc ibwc[IPOIB_NUM_WC]; 213}; 214 215struct ipoib_cm_rx_buf { 216 struct sk_buff *skb; 217 u64 mapping[IPOIB_CM_RX_SG]; 218}; 219 220struct ipoib_cm_dev_priv { 221 struct ib_srq *srq; 222 struct ipoib_cm_rx_buf *srq_ring; 223 struct ib_cm_id *id; 224 struct list_head passive_ids; /* state: LIVE */ 225 struct list_head rx_error_list; /* state: ERROR */ 226 struct list_head rx_flush_list; /* state: FLUSH, drain not started */ 227 struct list_head rx_drain_list; /* state: FLUSH, drain started */ 228 struct list_head rx_reap_list; /* state: FLUSH, drain done */ 229 struct work_struct start_task; 230 struct work_struct reap_task; 231 struct work_struct skb_task; 232 struct work_struct rx_reap_task; 233 struct delayed_work stale_task; 234 struct sk_buff_head skb_queue; 235 struct list_head start_list; 236 struct list_head reap_list; 237 struct ib_wc ibwc[IPOIB_NUM_WC]; 238 struct ib_sge rx_sge[IPOIB_CM_RX_SG]; 239 struct ib_recv_wr rx_wr; 240 int nonsrq_conn_qp; 241 int max_cm_mtu; 242 int num_frags; 243}; 244 245/* 246 * Device private locking: tx_lock protects members used in TX fast 247 * path (and we use LLTX so upper layers don't do extra locking). 248 * lock protects everything else. lock nests inside of tx_lock (ie 249 * tx_lock must be acquired first if needed). 250 */ 251struct ipoib_dev_priv { 252 spinlock_t lock; 253 254 struct net_device *dev; 255 256 struct napi_struct napi; 257 258 unsigned long flags; 259 260 struct mutex mcast_mutex; 261 struct mutex vlan_mutex; 262 263 struct rb_root path_tree; 264 struct list_head path_list; 265 266 struct ipoib_mcast *broadcast; 267 struct list_head multicast_list; 268 struct rb_root multicast_tree; 269 270 struct delayed_work pkey_poll_task; 271 struct delayed_work mcast_task; 272 struct work_struct flush_task; 273 struct work_struct restart_task; 274 struct delayed_work ah_reap_task; 275 struct work_struct pkey_event_task; 276 277 struct ib_device *ca; 278 u8 port; 279 u16 pkey; 280 u16 pkey_index; 281 struct ib_pd *pd; 282 struct ib_mr *mr; 283 struct ib_cq *cq; 284 struct ib_qp *qp; 285 u32 qkey; 286 287 union ib_gid local_gid; 288 u16 local_lid; 289 290 unsigned int admin_mtu; 291 unsigned int mcast_mtu; 292 293 struct ipoib_rx_buf *rx_ring; 294 295 spinlock_t tx_lock; 296 struct ipoib_tx_buf *tx_ring; 297 unsigned tx_head; 298 unsigned tx_tail; 299 struct ib_sge tx_sge[MAX_SKB_FRAGS + 1]; 300 struct ib_send_wr tx_wr; 301 unsigned tx_outstanding; 302 303 struct ib_wc ibwc[IPOIB_NUM_WC]; 304 305 struct list_head dead_ahs; 306 307 struct ib_event_handler event_handler; 308 309 struct net_device *parent; 310 struct list_head child_intfs; 311 struct list_head list; 312 313#ifdef CONFIG_INFINIBAND_IPOIB_CM 314 struct ipoib_cm_dev_priv cm; 315#endif 316 317#ifdef CONFIG_INFINIBAND_IPOIB_DEBUG 318 struct list_head fs_list; 319 struct dentry *mcg_dentry; 320 struct dentry *path_dentry; 321#endif 322}; 323 324struct ipoib_ah { 325 struct net_device *dev; 326 struct ib_ah *ah; 327 struct list_head list; 328 struct kref ref; 329 unsigned last_send; 330}; 331 332struct ipoib_path { 333 struct net_device *dev; 334 struct ib_sa_path_rec pathrec; 335 struct ipoib_ah *ah; 336 struct sk_buff_head queue; 337 338 struct list_head neigh_list; 339 340 int query_id; 341 struct ib_sa_query *query; 342 struct completion done; 343 344 struct rb_node rb_node; 345 struct list_head list; 346}; 347 348struct ipoib_neigh { 349 struct ipoib_ah *ah; 350#ifdef CONFIG_INFINIBAND_IPOIB_CM 351 struct ipoib_cm_tx *cm; 352#endif 353 union ib_gid dgid; 354 struct sk_buff_head queue; 355 356 struct neighbour *neighbour; 357 struct net_device *dev; 358 359 struct list_head list; 360}; 361 362/* 363 * We stash a pointer to our private neighbour information after our 364 * hardware address in neigh->ha. The ALIGN() expression here makes 365 * sure that this pointer is stored aligned so that an unaligned 366 * load is not needed to dereference it. 367 */ 368static inline struct ipoib_neigh **to_ipoib_neigh(struct neighbour *neigh) 369{ 370 return (void*) neigh + ALIGN(offsetof(struct neighbour, ha) + 371 INFINIBAND_ALEN, sizeof(void *)); 372} 373 374struct ipoib_neigh *ipoib_neigh_alloc(struct neighbour *neigh, 375 struct net_device *dev); 376void ipoib_neigh_free(struct net_device *dev, struct ipoib_neigh *neigh); 377 378extern struct workqueue_struct *ipoib_workqueue; 379 380/* functions */ 381 382int ipoib_poll(struct napi_struct *napi, int budget); 383void ipoib_ib_completion(struct ib_cq *cq, void *dev_ptr); 384 385struct ipoib_ah *ipoib_create_ah(struct net_device *dev, 386 struct ib_pd *pd, struct ib_ah_attr *attr); 387void ipoib_free_ah(struct kref *kref); 388static inline void ipoib_put_ah(struct ipoib_ah *ah) 389{ 390 kref_put(&ah->ref, ipoib_free_ah); 391} 392 393int ipoib_open(struct net_device *dev); 394int ipoib_add_pkey_attr(struct net_device *dev); 395int ipoib_add_umcast_attr(struct net_device *dev); 396 397void ipoib_send(struct net_device *dev, struct sk_buff *skb, 398 struct ipoib_ah *address, u32 qpn); 399void ipoib_reap_ah(struct work_struct *work); 400 401void ipoib_flush_paths(struct net_device *dev); 402struct ipoib_dev_priv *ipoib_intf_alloc(const char *format); 403 404int ipoib_ib_dev_init(struct net_device *dev, struct ib_device *ca, int port); 405void ipoib_ib_dev_flush(struct work_struct *work); 406void ipoib_pkey_event(struct work_struct *work); 407void ipoib_ib_dev_cleanup(struct net_device *dev); 408 409int ipoib_ib_dev_open(struct net_device *dev); 410int ipoib_ib_dev_up(struct net_device *dev); 411int ipoib_ib_dev_down(struct net_device *dev, int flush); 412int ipoib_ib_dev_stop(struct net_device *dev, int flush); 413 414int ipoib_dev_init(struct net_device *dev, struct ib_device *ca, int port); 415void ipoib_dev_cleanup(struct net_device *dev); 416 417void ipoib_mcast_join_task(struct work_struct *work); 418void ipoib_mcast_send(struct net_device *dev, void *mgid, struct sk_buff *skb); 419 420void ipoib_mcast_restart_task(struct work_struct *work); 421int ipoib_mcast_start_thread(struct net_device *dev); 422int ipoib_mcast_stop_thread(struct net_device *dev, int flush); 423 424void ipoib_mcast_dev_down(struct net_device *dev); 425void ipoib_mcast_dev_flush(struct net_device *dev); 426 427#ifdef CONFIG_INFINIBAND_IPOIB_DEBUG 428struct ipoib_mcast_iter *ipoib_mcast_iter_init(struct net_device *dev); 429int ipoib_mcast_iter_next(struct ipoib_mcast_iter *iter); 430void ipoib_mcast_iter_read(struct ipoib_mcast_iter *iter, 431 union ib_gid *gid, 432 unsigned long *created, 433 unsigned int *queuelen, 434 unsigned int *complete, 435 unsigned int *send_only); 436 437struct ipoib_path_iter *ipoib_path_iter_init(struct net_device *dev); 438int ipoib_path_iter_next(struct ipoib_path_iter *iter); 439void ipoib_path_iter_read(struct ipoib_path_iter *iter, 440 struct ipoib_path *path); 441#endif 442 443int ipoib_mcast_attach(struct net_device *dev, u16 mlid, 444 union ib_gid *mgid); 445int ipoib_mcast_detach(struct net_device *dev, u16 mlid, 446 union ib_gid *mgid); 447 448int ipoib_init_qp(struct net_device *dev); 449int ipoib_transport_dev_init(struct net_device *dev, struct ib_device *ca); 450void ipoib_transport_dev_cleanup(struct net_device *dev); 451 452void ipoib_event(struct ib_event_handler *handler, 453 struct ib_event *record); 454 455int ipoib_vlan_add(struct net_device *pdev, unsigned short pkey); 456int ipoib_vlan_delete(struct net_device *pdev, unsigned short pkey); 457 458void ipoib_pkey_poll(struct work_struct *work); 459int ipoib_pkey_dev_delay_open(struct net_device *dev); 460void ipoib_drain_cq(struct net_device *dev); 461 462#ifdef CONFIG_INFINIBAND_IPOIB_CM 463 464#define IPOIB_FLAGS_RC 0x80 465#define IPOIB_FLAGS_UC 0x40 466 467/* We don't support UC connections at the moment */ 468#define IPOIB_CM_SUPPORTED(ha) (ha[0] & (IPOIB_FLAGS_RC)) 469 470extern int ipoib_max_conn_qp; 471 472static inline int ipoib_cm_admin_enabled(struct net_device *dev) 473{ 474 struct ipoib_dev_priv *priv = netdev_priv(dev); 475 return IPOIB_CM_SUPPORTED(dev->dev_addr) && 476 test_bit(IPOIB_FLAG_ADMIN_CM, &priv->flags); 477} 478 479static inline int ipoib_cm_enabled(struct net_device *dev, struct neighbour *n) 480{ 481 struct ipoib_dev_priv *priv = netdev_priv(dev); 482 return IPOIB_CM_SUPPORTED(n->ha) && 483 test_bit(IPOIB_FLAG_ADMIN_CM, &priv->flags); 484} 485 486static inline int ipoib_cm_up(struct ipoib_neigh *neigh) 487 488{ 489 return test_bit(IPOIB_FLAG_OPER_UP, &neigh->cm->flags); 490} 491 492static inline struct ipoib_cm_tx *ipoib_cm_get(struct ipoib_neigh *neigh) 493{ 494 return neigh->cm; 495} 496 497static inline void ipoib_cm_set(struct ipoib_neigh *neigh, struct ipoib_cm_tx *tx) 498{ 499 neigh->cm = tx; 500} 501 502static inline int ipoib_cm_has_srq(struct net_device *dev) 503{ 504 struct ipoib_dev_priv *priv = netdev_priv(dev); 505 return !!priv->cm.srq; 506} 507 508static inline unsigned int ipoib_cm_max_mtu(struct net_device *dev) 509{ 510 struct ipoib_dev_priv *priv = netdev_priv(dev); 511 return priv->cm.max_cm_mtu; 512} 513 514void ipoib_cm_send(struct net_device *dev, struct sk_buff *skb, struct ipoib_cm_tx *tx); 515int ipoib_cm_dev_open(struct net_device *dev); 516void ipoib_cm_dev_stop(struct net_device *dev); 517int ipoib_cm_dev_init(struct net_device *dev); 518int ipoib_cm_add_mode_attr(struct net_device *dev); 519void ipoib_cm_dev_cleanup(struct net_device *dev); 520struct ipoib_cm_tx *ipoib_cm_create_tx(struct net_device *dev, struct ipoib_path *path, 521 struct ipoib_neigh *neigh); 522void ipoib_cm_destroy_tx(struct ipoib_cm_tx *tx); 523void ipoib_cm_skb_too_long(struct net_device *dev, struct sk_buff *skb, 524 unsigned int mtu); 525void ipoib_cm_handle_rx_wc(struct net_device *dev, struct ib_wc *wc); 526void ipoib_cm_handle_tx_wc(struct net_device *dev, struct ib_wc *wc); 527#else 528 529struct ipoib_cm_tx; 530 531#define ipoib_max_conn_qp 0 532 533static inline int ipoib_cm_admin_enabled(struct net_device *dev) 534{ 535 return 0; 536} 537static inline int ipoib_cm_enabled(struct net_device *dev, struct neighbour *n) 538 539{ 540 return 0; 541} 542 543static inline int ipoib_cm_up(struct ipoib_neigh *neigh) 544 545{ 546 return 0; 547} 548 549static inline struct ipoib_cm_tx *ipoib_cm_get(struct ipoib_neigh *neigh) 550{ 551 return NULL; 552} 553 554static inline void ipoib_cm_set(struct ipoib_neigh *neigh, struct ipoib_cm_tx *tx) 555{ 556} 557 558static inline int ipoib_cm_has_srq(struct net_device *dev) 559{ 560 return 0; 561} 562 563static inline unsigned int ipoib_cm_max_mtu(struct net_device *dev) 564{ 565 return 0; 566} 567 568static inline 569void ipoib_cm_send(struct net_device *dev, struct sk_buff *skb, struct ipoib_cm_tx *tx) 570{ 571 return; 572} 573 574static inline 575int ipoib_cm_dev_open(struct net_device *dev) 576{ 577 return 0; 578} 579 580static inline 581void ipoib_cm_dev_stop(struct net_device *dev) 582{ 583 return; 584} 585 586static inline 587int ipoib_cm_dev_init(struct net_device *dev) 588{ 589 return -ENOSYS; 590} 591 592static inline 593void ipoib_cm_dev_cleanup(struct net_device *dev) 594{ 595 return; 596} 597 598static inline 599struct ipoib_cm_tx *ipoib_cm_create_tx(struct net_device *dev, struct ipoib_path *path, 600 struct ipoib_neigh *neigh) 601{ 602 return NULL; 603} 604 605static inline 606void ipoib_cm_destroy_tx(struct ipoib_cm_tx *tx) 607{ 608 return; 609} 610 611static inline 612int ipoib_cm_add_mode_attr(struct net_device *dev) 613{ 614 return 0; 615} 616 617static inline void ipoib_cm_skb_too_long(struct net_device *dev, struct sk_buff *skb, 618 unsigned int mtu) 619{ 620 dev_kfree_skb_any(skb); 621} 622 623static inline void ipoib_cm_handle_rx_wc(struct net_device *dev, struct ib_wc *wc) 624{ 625} 626 627static inline void ipoib_cm_handle_tx_wc(struct net_device *dev, struct ib_wc *wc) 628{ 629} 630#endif 631 632#ifdef CONFIG_INFINIBAND_IPOIB_DEBUG 633void ipoib_create_debug_files(struct net_device *dev); 634void ipoib_delete_debug_files(struct net_device *dev); 635int ipoib_register_debugfs(void); 636void ipoib_unregister_debugfs(void); 637#else 638static inline void ipoib_create_debug_files(struct net_device *dev) { } 639static inline void ipoib_delete_debug_files(struct net_device *dev) { } 640static inline int ipoib_register_debugfs(void) { return 0; } 641static inline void ipoib_unregister_debugfs(void) { } 642#endif 643 644 645#define ipoib_printk(level, priv, format, arg...) \ 646 printk(level "%s: " format, ((struct ipoib_dev_priv *) priv)->dev->name , ## arg) 647#define ipoib_warn(priv, format, arg...) \ 648 ipoib_printk(KERN_WARNING, priv, format , ## arg) 649 650extern int ipoib_sendq_size; 651extern int ipoib_recvq_size; 652 653extern struct ib_sa_client ipoib_sa_client; 654 655#ifdef CONFIG_INFINIBAND_IPOIB_DEBUG 656extern int ipoib_debug_level; 657 658#define ipoib_dbg(priv, format, arg...) \ 659 do { \ 660 if (ipoib_debug_level > 0) \ 661 ipoib_printk(KERN_DEBUG, priv, format , ## arg); \ 662 } while (0) 663#define ipoib_dbg_mcast(priv, format, arg...) \ 664 do { \ 665 if (mcast_debug_level > 0) \ 666 ipoib_printk(KERN_DEBUG, priv, format , ## arg); \ 667 } while (0) 668#else /* CONFIG_INFINIBAND_IPOIB_DEBUG */ 669#define ipoib_dbg(priv, format, arg...) \ 670 do { (void) (priv); } while (0) 671#define ipoib_dbg_mcast(priv, format, arg...) \ 672 do { (void) (priv); } while (0) 673#endif /* CONFIG_INFINIBAND_IPOIB_DEBUG */ 674 675#ifdef CONFIG_INFINIBAND_IPOIB_DEBUG_DATA 676#define ipoib_dbg_data(priv, format, arg...) \ 677 do { \ 678 if (data_debug_level > 0) \ 679 ipoib_printk(KERN_DEBUG, priv, format , ## arg); \ 680 } while (0) 681#else /* CONFIG_INFINIBAND_IPOIB_DEBUG_DATA */ 682#define ipoib_dbg_data(priv, format, arg...) \ 683 do { (void) (priv); } while (0) 684#endif /* CONFIG_INFINIBAND_IPOIB_DEBUG_DATA */ 685 686 687#define IPOIB_GID_FMT "%2.2x%2.2x:%2.2x%2.2x:%2.2x%2.2x:%2.2x%2.2x:" \ 688 "%2.2x%2.2x:%2.2x%2.2x:%2.2x%2.2x:%2.2x%2.2x" 689 690#define IPOIB_GID_RAW_ARG(gid) ((u8 *)(gid))[0], \ 691 ((u8 *)(gid))[1], \ 692 ((u8 *)(gid))[2], \ 693 ((u8 *)(gid))[3], \ 694 ((u8 *)(gid))[4], \ 695 ((u8 *)(gid))[5], \ 696 ((u8 *)(gid))[6], \ 697 ((u8 *)(gid))[7], \ 698 ((u8 *)(gid))[8], \ 699 ((u8 *)(gid))[9], \ 700 ((u8 *)(gid))[10],\ 701 ((u8 *)(gid))[11],\ 702 ((u8 *)(gid))[12],\ 703 ((u8 *)(gid))[13],\ 704 ((u8 *)(gid))[14],\ 705 ((u8 *)(gid))[15] 706 707#define IPOIB_GID_ARG(gid) IPOIB_GID_RAW_ARG((gid).raw) 708 709#define IPOIB_QPN(ha) (be32_to_cpup((__be32 *) ha) & 0xffffff) 710 711#endif /* _IPOIB_H */ 712